![Nidoking [1st Edition] #28 from Pokemon Japanese Thunder Knuckle](https://pokeinvest-japanese-card-images.nyc3.cdn.digitaloceanspaces.com/Thunder_Knuckle/062_Nidoking_28.jpg)
Nidoking [1st Edition] #28 PSA 10: price & population
PSA 10
$89.28
Raw
$2.99
PSA 10 pop
12
Gem rate
48.0%
A PSA 10 Nidoking [1st Edition] #28 from Japanese Thunder Knuckle sells for $89.28 — a 2,886% premium over the $2.99 raw price. PSA has graded this card 25 times; 12 came back a 10 (48.0% gem rate), and 12 a PSA 9.
The 9-to-10 spread
PSA 9 sells for $20.45. The jump from 9 to 10 is worth $68.83 — that spread, times your real odds of the 10, is what decides whether grading pays.
Prices from real completed sales, updated daily. Population data from PSA's public population report.
